package base.day22.file;

import java.io.File;
import java.io.IOException;

public class MyFile4 {
    public static void main(String[] args) throws IOException {
        File f1=new File("java-code\\aaa");
        if (!f1.exists()){
            f1.mkdirs();
        }
        File f2=new File(f1,",a.txt");
        f2.createNewFile();

    }
}
